Terralithium LLC

45 patents currently held · Updated Nov 14, 2026

3 more in force are now held by other companies

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Apr 2030

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

3 fees due Dec 9 to 25, 2026 · next Dec 9
1 fee due Jan 7, 2027
The maintenance fee for Processes for preparing highly pure lithium carbonate and other highly pure lithium containing compounds (US 9,074,265) comes due Jan 7, 2027. Unpaid by Jul 7, 2027, it lapses early.
1 fee due May 28, 2027
The maintenance fee for Process for Producing Geothermal Power, Selective Removal of Silica and Iron from Brines, and Improved Injectivity of Treated Brines (US 11,828,272) comes due May 28, 2027. Unpaid by Nov 29, 2027, it lapses early.
1 fee due Jun 29, 2027
The maintenance fee for Preparation of lithium carbonate from lithium chloride containing brines (US 9,222,149) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
1 fee due Jul 19, 2027
The maintenance fee for Selective Recovery of Manganese, Lead and Zinc (US 9,238,851) comes due Jul 19, 2027. Unpaid by Jan 19, 2028, it lapses early.
1 fee due Aug 2, 2027
The maintenance fee for Selective Recovery of Manganese, Lead and Zinc (US 9,249,478) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Patent	Title	Status	Expires	Confidence
US 9,034,294	Preparation of Lithium Carbonate from Lithium Chloride Containing Brines In force Term ends Apr 23, 2030 · Medium confidence	In force	Term ends Apr 23, 2030	Medium confidence
US 9,034,295	Preparation of Lithium Carbonate From Lithium Chloride Containing Brines In force Term ends Apr 23, 2030 · Medium confidence	In force	Term ends Apr 23, 2030	Medium confidence
US 9,222,149	Preparation of lithium carbonate from lithium chloride containing brines In force Ends no later than Apr 23, 2030 · From the USPTO record	In force	Ends no later than Apr 23, 2030	From the USPTO record
US 9,834,449	Preparation Of Lithium Carbonate From Lithium Chloride Containing Brines In force Term ends Apr 23, 2030 · High confidence	In force	Term ends Apr 23, 2030	High confidence
US 10,773,970	Preparation of Lithium Carbonate from Lithium Chloride Containing Brines In force Term ends Apr 23, 2030 · High confidence	In force	Term ends Apr 23, 2030	High confidence
US 11,649,170	Preparation of Lithium Carbonate from Lithium Chloride Containing Brines In force Term ends Apr 23, 2030 · Medium confidence	In force	Term ends Apr 23, 2030	Medium confidence
US 12,252,409	Preparation of Lithium Carbonate from Lithium Chloride Containing Brines In force Term ends Apr 23, 2030 · High confidence	In force	Term ends Apr 23, 2030	High confidence
US 12,540,267	Treated Geothermal Brine Compositions with Reduced Concentration of Silica, Iron and Lithium In force Term ends May 8, 2030 · Medium confidence	In force	Term ends May 8, 2030	Medium confidence
US 12,168,748	Treated Geothermal Brine Compositions with Reduced Concentration of Silica, Iron and Lithium In force Term ends May 9, 2030 · High confidence	In force	Term ends May 9, 2030	High confidence
US 9,995,121	Selective removal of silica from silica containing brines In force Ends no later than Jun 24, 2030 · From the USPTO record	In force	Ends no later than Jun 24, 2030	From the USPTO record

10 of 45 patents shown.

Pro members see all 45.

Pro members: see all 45 patents

Also on record, not counted in the 45: 3 patents in force now held by others. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

4 pending

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